Question

The length of the ribbon was originally 30 cm. It was reduced in the ratio 5 : 3. What is its length now?​

Answer 1

Answer:

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Step-by-step explanation:

Length of ribbon originally = 30 cm

Let the original length be 5x and reduced length be 3x.

But 5x = 30 cm

x = 30/5 cm = 6 cm

Therefore, reduced length = 3 cm

= 3 × 6 cm = 18 cm

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Answer 2

Answer:

Step-by-step explanation:

length of the ribbon = 30 cm (given)

Ratio = 5 : 3 (given)

Define x:

Let x be the constant ratio

Ratio = 5x : 3x

Solve x:

5x = 30

x= 30 ÷ 5 = 6

Find the reduced length

x = 6

3x = 6 x 3 = 18 cm